CN101409167A - Movable contact assembly and switch using the same - Google Patents
Movable contact assembly and switch using the same Download PDFInfo
- Publication number
- CN101409167A CN101409167A CNA2008101692555A CN200810169255A CN101409167A CN 101409167 A CN101409167 A CN 101409167A CN A2008101692555 A CNA2008101692555 A CN A2008101692555A CN 200810169255 A CN200810169255 A CN 200810169255A CN 101409167 A CN101409167 A CN 101409167A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide sheet
- switch
- light
- movable contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2205/00—Movable contacts
- H01H2205/016—Separate bridge contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/002—Materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/082—Properties of the membrane transparent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/044—Edge lighting of layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/056—Diffuser; Uneven surface
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/06—Reflector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/07—Actuators transparent
Landscapes
- Push-Button Switches (AREA)
- Telephone Set Structure (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
A movable contact assembly includes a light guiding sheet which is light transmittable, and a movable contact provided on the light guiding sheet. The light guiding sheet has a portion having the movable contact provided thereon and a portion having plural grooves provided therein. The grooves constitute a light inlet for introducing light into the light guiding sheet. This movable contact assembly can illuminate a switch preferably with a simple structure, providing the switch with an easily operation.
Description
Technical field
The present invention relates to a kind of movable contact and use the switch of this movable contact.
Background technology
In recent years, in the mobile terminal devices such as various electronic equipments, particularly mobile phone, even in order also can to carry out the operation and the identification of button and display panel etc. easily under the very dark around situation, and the luminous parts that carry out the illumination of operating portion such as light-emitting diode and EL element are increased day by day.Movable contact and switch that requirement is used for these equipment also can carry out various illumination and cheap.
Fig. 7 is the profile of existing movable contact 4.The light guide sheet 1 of film like is that light transmission has flexible again.Be formed with the diffusion part 1A of a plurality of point-like at the upper surface of light guide sheet 1.The cover plate 2 of light guide sheet 1 and film like is pasted together the regulation position of its periphery by bonding agent.
Moving contact 3 is made of the conducting metal thin plate with general dome shape.A plurality of moving contacts 3 are adhered to the lower surface of cover plate 2 of the below of diffusion part 1A by bonding agent, and constitute movable contact 4.
Fig. 8 is the profile of existing switch 501.Wiring substrate 5 is formed with a plurality of wiring diagrams in upper and lower surface.The upper surface of wiring substrate 5 is provided with a plurality of fixed contacts 6 that are made of central fixed contact 6A and outside fixed contact 6B.The fixed contact 6A of central authorities has and is roughly round shape.Outside fixed contact 6B has the roughly horse-hof shape that surrounds central fixed contact 6A or ring-type roughly.
Upper surface at wiring substrate 5 is pasted with movable contact 4.The periphery of moving contact 3 is set on the fixed contact 6B of the outside, and the lower surface central authorities of moving contact 3 separate fixing gap and subtend with central fixed contact 6A.
Right-hand in light guide sheet 1, light-emitting components such as light-emitting diode 7 are installed in the upper surface of wiring substrate 5.Light-emitting component 7 has the light-emitting area with the right-hand member side 1C subtend of light guide sheet 1.
The operating body 8 that is made of insulating resin is made of transmittance section 8A and the light shielding part 8B that covers this upper surface.Upper surface at operating body 8 is provided with the display part 8C that transmittance section 8A is exposed with shapes such as literal or symbols.Be connected to the upper surface of the light guide sheet 1 of moving contact 3 central portions to the outstanding press section 8D in the below of operating body 8.
Switch 501 is installed in the operating surface of electronic equipment.Fixed contact 6A of central authorities and outside fixed contact 6B, light-emitting component 7 are connected with the circuit of electronic equipment via wiring diagram.
When operating body 8 was pushed downwards, the press section 8D of the lower surface at this position pushed light guide sheet 1, light guide sheet 1 and cover plate 2 deflections and to the central portion effect pressing force of the general dome shape of moving contact 3.When pressing force surpassed stipulate big or small, moving contact 3 was followed click feel and elasticity counter-rotating downwards, and the central authorities of the lower surface of moving contact 3 contact with central fixed contact 6A.Thus, central fixed contact 6A and outside fixed contact 6B are electrically connected via moving contact 3.
Releasing is when the pressing force of operating body 8, and moving contact 3 is by elastic restoring force elasticity counter-rotating upward, and central fixed contact 6A leaves in the lower surface central authorities of moving contact 3, thereby central fixed contact 6A and outside fixed contact 6B are by electric cut-out.
According to electric between fixed contact 6A, the 6B connect from, carry out the switching of each function of electronic equipment.
Circuit applies voltage and sends light LL from light-emitting component 7 to light-emitting component 7.Light LL incides in the light guide sheet 1 from right-hand member side 1C, in the surface reflection of light guide sheet, advances to left in light guide sheet 1 simultaneously.This light spreads by a plurality of diffusion part 1A of the upper surface of light guide sheet 1, and shines the display part 8C of operating body 8 from the below.Thus, even under the dark around situation, the user also can discern demonstrations such as the literal of display part 8C and symbol, and operating electronic equipment easily.
Used in the switch 501 of movable contact 4, the light that comes self-emission device 7 is from being that the side at right angle is imported in the light guide sheet 1 with respect to light.Under the situation that light guide sheet 1 approaches, the light of fully measuring can not be imported in the light guide sheet 1 sometimes, the light from a plurality of diffusion part 1A is died down, cause shining display part 8C brightly.
Summary of the invention
Movable contact possesses the light guide sheet of light transmission and is positioned at the moving contact of light guide sheet.Light guide sheet has the part that is provided with moving contact and has formed the part of a plurality of slot parts.A plurality of slot parts form the light introduction part that imports light into light guide sheet.
This movable contact can be with easy well-formed ground irradiates light, thereby can access easy-operating switch.
Description of drawings
Figure 1A is the upward view of the movable contact of embodiments of the present invention.
Figure 1B is the profile of the line 1B-1B of the movable contact shown in Figure 1A.
Fig. 2 is the profile of the switch of execution mode.
Fig. 3 is the amplification profile of the switch of execution mode.
Fig. 4 A is the upward view of another movable contact of execution mode.
Fig. 4 B is the enlarged drawing of the movable contact shown in Fig. 4 A.
Fig. 5 is the vertical view of a movable contact again of execution mode.
Fig. 6 is the vertical view of a movable contact again of execution mode.
Fig. 7 is the profile of existing movable contact.
Fig. 8 is the profile of existing switch.
Embodiment
Figure 1A is the upward view of the movable contact 15 of embodiment of the present invention.Figure 1B is the profile of the line 1B-1B of the movable contact 15 shown in Figure 1A.Light guide sheet 11 is a film like, has flexible transparent member by PETG or Merlon, polyurethane, silicone etc. and constitutes.Light guide sheet 11 has the lower surface 11B of the opposition side of upper surface 11A and upper surface 11A.Light guide sheet 11 has a plurality of diffusion parts 12 with shape that are installed on upper surface 11A.Diffusion part 12 is made of with the Chinese whites such as titanium oxide that are scattered in this transparent resin transparent resins such as acrylic resins.On the regulation position of the periphery of the upper surface 2A of the cover plate 2 of film shape, cover plate 2 is pasted on the lower surface 11B of light guide sheet 11 by bonding agent.
Moving contact 3 is made of conducting metal thin plates such as copper alloy or steel, has the concave surface 3B of the opposition side of convex surface 3A and convex surface 3A, and has domed shape in fact.The convex surface 3A of a plurality of moving contacts 3 is pasted on the part 11F of the lower surface 2B of cover plate 2 by bonding agent, and constitutes movable contact 15.Moving contact 3 is opposed with a plurality of diffusion part 12 via cover plate 2 grades.
On the part 11C that does not paste a plurality of moving contacts 3 of the lower surface 11B of light guide sheet 11, be formed with a plurality of slot parts 13 that are parallel to each other and extend.A plurality of slot parts 13 are formed with the light introduction part 91 that imports light in the light guide sheet 11.On the part 11D of the upper surface 11A of the opposition side of the part 11C of lower surface 11B, be provided with catoptrical reflecting part 14.Reflecting part 14 is made of light-reflecting components such as the aluminium foil of the part 11D that is pasted on upper surface 11A or aluminium-vapour deposition films.Perhaps, reflecting part 14 also can be formed by transparent resins such as polyester or epoxy and optical reflection particles such as lepidiod aluminium that is scattered in this transparent resin or silver.
Fig. 2 has been to use the profile of the switch 1001 of movable contact 15.Wiring substrate 5 is made of dielectric films such as PETG or Merlon or insulation boards such as paper phenol or doped-glass fibrous epoxy resin.Be formed with a plurality of wiring diagrams that constitute by conductive components such as copper on the upper surface 5A of wiring substrate 5 and the lower surface 5B.Upper surface 5A is provided with central fixed contact 6A and the outside fixed contact 6B that is made of conductive components such as copper or carbon.The fixed contact 6A of central authorities has the circular shape.Outside fixed contact 6B has the roughly horse-hof shape that surrounds central fixed contact 6A or ring-type roughly.Fixed contact 6A of central authorities and outside fixed contact 6B constitute a plurality of fixed contacts 6.Moving contact 3 and fixed contact 6 constitute the switch portion 1001A that carries out switch.
So that the lower surface 2B of cover plate 2 is positioned at the mode of the upper surface 5A of wiring substrate 5, movable contact 15 is pasted on the upper surface 5A of wiring substrate 5.At this moment, the outer rim 3C mounting of moving contact 3 is on the fixed contact 6B of the outside.The concave surface 3B and the central fixed contact 6A of moving contact 3 separate the predetermined gap subtend.
Light-emitting components such as light-emitting diode 7 have the light-emitting area 7A that sends light, and are installed between the upper surface 5A of the lower surface 11B of light guide sheet 11 and wiring substrate 5.The part 11C of the lower surface 11B of light guide sheet 11 a little upward bending and mounting on light-emitting component 7.The light-emitting area 7A of light-emitting component 7 is towards a plurality of slot parts 13, is light introduction part 91 and light is incided in the light guide sheet 11 by a plurality of slot parts 13.
The operating body 8 of insulating resin systems such as polystyrene or ABS is formed by the light shielding part 8B of the upper surface of transmittance section 8A that sees through light and covering transmittance section 8A.At the upper surface of operating body 8, be provided with the display part 8C that transmittance section 8A exposes with shapes such as literal or symbols.Operating body 8 has outstanding press section 8D downwards.Press section 8D is connected to the upper surface 11A of light guide sheet 11, especially is connected to a plurality of diffusion parts 12.Press section 8D is via the convex surface 3A subtend of light guide sheet 11 and cover plate 2 and moving contact 3.
Moving contact 15 and wiring substrate 5 are incorporated in the housing 9 with insulating resin system of box shape roughly.On the basis of movable contact 15 or wiring substrate 5, a plurality of operating bodies 8 movably are installed on up and down respectively in the housing 9 from a plurality of open pores of the upper surface of housing 9, constitute switch 1001.Switch 1001 is installed on the operating surface of electronic equipment, and central fixed contact 6A and outside fixed contact 6B, light-emitting component 7 are connected in the circuit of electronic equipment via wiring diagram.
Below, the action of switch 1001 is described.Downwards during pressing operation, press section 8D pushes the upper surface 11A of light guide sheet 11 with operating body 8.Thus, light guide sheet 11 and cover plate 2 deflections and apply pressing force to the convex surface 3A of moving contact 3.When the size of pressing force surpassed setting, the domed shape of moving contact 3 was followed click feel and the elasticity counter-rotating, and convex surface 3A and concave surface 3B are deformed into concave surface and convex surface respectively, and concave surface 3B is contacted with central fixed contact 6A.Thus, central fixed contact 6A and outside fixed contact 6B are electrically connected via moving contact 3, and switch portion 1001A is able to closure.
When removing to the pushing of operating body 8, the domed shape of moving contact 3 recovers under the effect of elastic restoring force.Thus, the concave surface 3B of moving contact 3 leaves central fixed contact 6A, and with central fixed contact 6A and the electric cut-out of outside fixed contact 6B, switch portion 1001A is disconnected.
According to the electric clutch of fixed contact 6 (6A, 6B), circuit carries out the switching of each function of electronic equipment.
Circuit applies voltage to light-emitting component 7.When light-emitting component 7 applied voltage, light-emitting component 7 sent light from light-emitting area 7, and this light incides in the light guide sheet 11 from a plurality of slot parts 13 of the part 11C of the lower surface 11B of light guide sheet 11.Circuit also can be according to the electric clutch of fixed contact 6 (6A, 6B) and is applied voltage to light-emitting component 7.
Fig. 3 is the amplification profile of switch 1001.The slot part 13 that comes the light transmission of the light-emitting area 7A of self-emission device 7 to comprise a plurality of band shapes of slot part 13A, 13B, 13C, 13D incides in the light guide sheet 11.Slot part 13A, 13B, 13C have the rectangular in fact side 113A of light LA, LB, LC, 113B, the 113C that sends with light-emitting area 7A respectively, and have and side 113A, 113B, side 213A, the 213B of 113C subtend, 213C.Slot part 13D have with the same directional in fact side 113D of the side 113C of slot part 13C and with the side 213D of side 113D subtend.Side 213D surpasses the part 11E of the lower surface 11B of light guide sheet 11, and is positioned at the opposition side of the side 113C of slot part 13C.
The light LA of side 113A that has seen through slot part 13A is after the lower surface 14B of reflecting part 14 reflection, and the lower surface 11B reflection by light guide sheet 11 enters in the light guide sheet 11.The light LB that sees through the side 113B of slot part 13B advances in light guide sheet 11.The light LC of side 113C that has seen through slot part 13C advances in light guide sheet 11 at the lower surface 14B of reflecting part 14 or the lower surface 11B and the upper surface 11A interreflection of light guide sheet 11 after the side of slot part 13D 213D reflection simultaneously.Like this, a large amount of light that has seen through the slot part 13A～13C with side 113A～113C advances in light guide sheet 11.
The a large amount of light that advances in light guide sheet 11 is in a plurality of diffusion parts 12 diffusion and the reflection of the upper surface 11A that is positioned at light guide sheet 11 and make diffusion part 12 luminous, and from the transmittance section 8A of below irradiation operating body 8.Thus, display part 8C is illuminated, even under the dark around situation of user, also can discern display part 8C, and console switch 1001 easily.
The slot part 13 of the lower surface 11B that comes the light of the light-emitting area 7A of self-emission device 7 to incide to be formed at light guide sheet 11 rather than a plurality of band shapes of end face, and in light guide sheet 11, advance, therefore, can enough a large amount of rayed transmittance section 8A.Thereby, even movable contact 4 is thin and have under the situation of little end face in light guide sheet 11, a large amount of light is incided in the light guide sheet 11, thereby can shine transmittance section 8A brightly.
The slot part 13 of a plurality of band shapes can be by the model of the prism shape of triangle column roughly, adds drop stamping and forms the part 11C of the lower surface 11B of light guide sheet 11.In addition, lower surface 11B that slot part 13 also can be by being printed in transparent resin web plates (screen) such as acrylate light guide sheet 11 or the distributor coating by injection needle-like form.Perhaps, also the transparent formed product that are pre-formed slot part 13 can be pasted on the part 11C of the lower surface 11B of light guide sheet 11, thereby easily form slot part 13.
Fig. 4 A is the upward view of another movable contact 95 of execution mode.Movable contact 95 possesses light introduction part 92, and replaces the light introduction part 91 of movable contact shown in Figure 1 15.Fig. 4 B is the enlarged drawing of light introduction part 92.Among Fig. 4 A and Fig. 4 B, the part mark identical with Figure 1A identical with reference to label, and omit its explanation.In the light introduction part 92, dispose at direction 93E in parallel to each other as the slot part 13 of light introduction part 91, a plurality of ridge portion 93 that constitutes respectively by a plurality of projection 93A with polygonal cone-shapeds such as quadrangular pyramids.Projection 93A has the side 193A of light incident.With the rectangular direction 93F of direction 93E on, each of a plurality of ridge portion 93 all stagger side 193A and alternate configurations.Shown in Fig. 4 B, identical with a plurality of slot part 13 in a plurality of ridge portion 93, have the side of light incident respectively and be formed at lower surface 11B along a plurality of slot parts that direction 93E extends in parallel to each other.
In addition, the shape of slot part 13 and ridge portion 93 is not limited to illustrated shape, so long as the shape that light incides light guide sheet 11 is expeditiously got final product.
Reflecting part 14 has prevented from thus, can illuminate operating body 8 more brightly from the light and the reverberation of the upper surface 11A leakage of light guide sheet 11.
In the movable contact 15, the cover plate 2 that is pasted with a plurality of moving contacts 3 on the lower surface 2B is pasted on the lower surface 11B of light guide sheet 11.The movable contact of execution mode also can not possess cover plate 2.In this case, the lower surface 11B of light guide sheet 11 goes up can directly paste a plurality of moving contacts 3 by bonding agent, thus, can reduce the structural portion number of packages, and movable contact is manufactured simpler structure so that it is cheap.
In the movable contact 15, the diffusion part 12 of a plurality of somes shapes is arranged at the upper surface 11A of light guide sheet 11.In the movable contact of execution mode, the diffusion part 12 of a plurality of somes shapes also can be arranged at the lower surface 11B of light guide sheet 11.
In addition, switch 1001 possesses the switch portion 1001A that is made of moving contact 3 and fixed contact 6.The switch of execution mode also can possess the switch portion of other structure that carries out open and close, and the 1001A of place of switches portion.
In addition, in execution mode, the term of expression " upper surface " directions such as " lower surfaces " just expression depends on the relative direction of configuration of the structure member of movable contacts 15 such as light guide sheet or moving contact 3, and is not absolute direction such as expression above-below direction.
Claims (14)
1, a kind of movable contact, it possesses:
Light guide sheet, the second portion that it has first and has the light introduction part that is formed with a plurality of slot parts;
Moving contact, it is positioned at the described first of described light guide sheet,
Described smooth introduction part imports light into described light guide sheet by described a plurality of slot parts.
2, movable contact as claimed in claim 1, wherein,
Also possess reflecting part, this reflecting part is arranged at the described second portion of described light guide sheet, and via described light guide sheet and described a plurality of slot part subtend.
3, movable contact as claimed in claim 1, wherein,
Described light guide sheet has the surface,
Described moving contact and described smooth introduction part are arranged at the described surface of described light guide sheet.
4, movable contact as claimed in claim 1, wherein,
Described light guide sheet has upper surface and lower surface,
Described moving contact is arranged at the described lower surface of described light guide sheet,
Described smooth introduction part is arranged at the described upper surface of described light guide sheet.
5, movable contact as claimed in claim 1, wherein,
Described moving contact is made of the conducting metal thin plate, and this conducting metal thin plate has the concave surface of the opposition side of the convex surface of the described first that is positioned at described light guide sheet and described convex surface, and has domed shape in fact.
6, movable contact as claimed in claim 1, wherein,
The described slot part of described smooth introduction part extends in parallel to each other.
7, movable contact as claimed in claim 1, wherein,
Described smooth introduction part has a plurality of ridge portion, and this a plurality of ridge portion is formed by a plurality of projections with polygonal cone-shaped respectively.
8, a kind of switch, it possesses:
Light guide sheet, the second portion that it has first and has the light introduction part that is formed with a plurality of slot parts;
Switch portion, it is positioned at the described first of described light guide sheet;
Illuminating part, its described a plurality of slot parts by described smooth introduction part incide in the described light guide sheet light.
9, switch as claimed in claim 8, wherein,
Described light guide sheet has the surface,
Described switch portion and described smooth introduction part are arranged at the described surface of described light guide sheet.
10, switch as claimed in claim 8, wherein,
Described light guide sheet has upper surface and lower surface,
Described switch portion is arranged at the described lower surface of described light guide sheet,
Described smooth introduction part is arranged at the described upper surface of described light guide sheet.
11, switch as claimed in claim 8, wherein,
Described switch portion has:
Moving contact, it is made of the concave surface of the opposition side of convex surface with the described first that is positioned at described light guide sheet and described convex surface and the conducting metal thin plate that has domed shape in fact;
Fixed contact, the described concave surface subtend of itself and described moving contact.
12, switch as claimed in claim 8, wherein,
Also possess reflecting part, this reflecting part is arranged at the described second portion of described light guide sheet, and via described light guide sheet and described a plurality of slot part subtend.
13, switch as claimed in claim 8, wherein,
The described slot part of described smooth introduction part extends in parallel to each other.
14, switch as claimed in claim 8, wherein,
Described smooth introduction part has a plurality of ridge portion, and this a plurality of ridge portion is formed by a plurality of projections with polygonal cone-shaped respectively.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007266345A JP2009094036A (en) | 2007-10-12 | 2007-10-12 | Movable contact body, and switch using same |
| JP2007266345 | 2007-10-12 | ||
| JP2007-266345 | 2007-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101409167A true CN101409167A (en) | 2009-04-15 |
| CN101409167B CN101409167B (en) | 2011-05-11 |
Family
ID=40533117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101692555A Expired - Fee Related CN101409167B (en) | 2007-10-12 | 2008-10-10 | Movable contact assembly and switch using the same |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8143541B2 (en) |
| JP (1) | JP2009094036A (en) |
| CN (1) | CN101409167B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054615A (en) * | 2009-11-02 | 2011-05-11 | 阿尔卑斯电气株式会社 | Contact-point spring leaf |
| CN102667996A (en) * | 2010-02-17 | 2012-09-12 | 日本梅克特隆株式会社 | Switch module |
| CN102714104A (en) * | 2010-02-17 | 2012-10-03 | 日本梅克特隆株式会社 | Switch module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5427639B2 (en) * | 2010-02-17 | 2014-02-26 | 日本メクトロン株式会社 | Switch module |
| JP5486952B2 (en) * | 2010-02-17 | 2014-05-07 | 日本メクトロン株式会社 | Switch module |
| KR20110131437A (en) * | 2010-05-31 | 2011-12-07 | 엘지전자 주식회사 | Mobile terminal |
| US9082566B2 (en) | 2010-09-02 | 2015-07-14 | Blackberry Limited | Backlighting assembly for a keypad |
| US8431849B2 (en) | 2010-09-24 | 2013-04-30 | Research In Motion Limited | Backlighting apparatus for a keypad assembly |
| TWI459425B (en) * | 2012-12-19 | 2014-11-01 | Primax Electronics Ltd | Illuminating keyboard |
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| US6712481B2 (en) * | 1995-06-27 | 2004-03-30 | Solid State Opto Limited | Light emitting panel assemblies |
| JP4035998B2 (en) * | 2002-01-23 | 2008-01-23 | オムロン株式会社 | Surface light source device, diffusion plate, and liquid crystal display device |
| TWI266120B (en) | 2003-07-18 | 2006-11-11 | Hon Hai Prec Ind Co Ltd | Back light module and liquid crystal display using the same |
| KR100651413B1 (en) * | 2005-07-15 | 2006-11-29 | 삼성전자주식회사 | Key pad assembly |
| JP4959164B2 (en) | 2005-09-21 | 2012-06-20 | シチズン電子株式会社 | Seat switch, seat switch module and panel switch |
| TW200709243A (en) | 2005-08-19 | 2007-03-01 | Citizen Electronics | Sheet switch, sheet switch module and panel switch |
| KR100787581B1 (en) * | 2005-09-27 | 2007-12-21 | 삼성전자주식회사 | Keypad having phosphor, keypad assembly and portable terminal |
| CN101025516A (en) * | 2006-02-23 | 2007-08-29 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
-
2007
- 2007-10-12 JP JP2007266345A patent/JP2009094036A/en active Pending
-
2008
- 2008-10-06 US US12/246,417 patent/US8143541B2/en not_active Expired - Fee Related
- 2008-10-10 CN CN2008101692555A patent/CN101409167B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054615A (en) * | 2009-11-02 | 2011-05-11 | 阿尔卑斯电气株式会社 | Contact-point spring leaf |
| CN102054615B (en) * | 2009-11-02 | 2014-02-19 | 阿尔卑斯电气株式会社 | Contact-point spring leaf |
| CN102667996A (en) * | 2010-02-17 | 2012-09-12 | 日本梅克特隆株式会社 | Switch module |
| CN102714104A (en) * | 2010-02-17 | 2012-10-03 | 日本梅克特隆株式会社 | Switch module |
| CN102667996B (en) * | 2010-02-17 | 2015-03-18 | 日本梅克特隆株式会社 | Switch module |
| CN102714104B (en) * | 2010-02-17 | 2015-06-10 | 日本梅克特隆株式会社 | Switch module |
| TWI489502B (en) * | 2010-02-17 | 2015-06-21 | Nippon Mektron Kk | Switch module (2) |
| TWI489501B (en) * | 2010-02-17 | 2015-06-21 | Nippon Mektron Kk | Switch module (1) |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090095612A1 (en) | 2009-04-16 |
| JP2009094036A (en) | 2009-04-30 |
| US8143541B2 (en) | 2012-03-27 |
| CN101409167B (en) | 2011-05-11 |
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